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Q&A Using Flexsim and building models

  #1  
Old 09-22-2010
Sung Kim Sung Kim is offline
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Default Moving Crane

HI,
I try to build a model in which a moving bridge crane is used as a transporter. Basically, it functions like current Flexsim crane object, but the entire crane structure travels from/to different location freely. Example images can be found with "mi jack crane" search key word.
http://www.google.com/images?um=1&hl...w=1234&bih=793
I thought about using a transporter object with replacing 3D shape, but it loses the resolution of pick/drop movement of the crane animation(?).
The system I need to model has several load/unload areas. Each area requests the moving crane structure fairly often during the operation day. Upon request, the crane travels to the area, and do its job. Upon completion, it could travel to the other location.
With my lack of knowledge and limited trials, I even doubt that it could be doable in regular Flexsim?? Do I have to use FlexsimCT?

Does anybody has the same/similar modeling experience? Any advice will be greatly appreciated!!!!
Thank you.
  #2  
Old 09-23-2010
LINWEIXU
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perhaps , you can put crane object under the transporter object, and do not show 3d sharp of transporter,then you can use createcoordinatedtasksequence() to finish your purpose.
I do not try to do this before, but i think this way can do that.
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  #3  
Old 09-23-2010
Sung Kim Sung Kim is offline
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Default

Thank you, LINWEIXU.

I didn't try your approach yet, but I seems interesting way. By the way, I don't have quite good experience of using coordinatedtasksequence, so it might be a dull question, but what "put crane object under the transporter object" means? Does the crane still need to be capable of traveling to "put it under the transporter"? Could you please help me to understand a bit more specifically for the "putting crane under the transporter"?

Thank you.
Sung
  #4  
Old 09-24-2010
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Jörg Vogel Jörg Vogel is offline
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Default

Use the transport as a container in your model. The approach is that you move the crane in the transporter.

moveobject(crane,transporter);

Crane und transporter are pointers to their objects.

Hope that give you a hint.

Jörg
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  #5  
Old 09-24-2010
Sung Kim Sung Kim is offline
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Thanks to LINWEIXU and Jörg, I have my model close to what I want (logically). However, the animation breaks out while it travels after move the crane object to the transporter. I think the crane object has two entities to control the shape/animation, i.e., crane (TE) and structure (shell). The structure would not cooperate traveling along with the crane. I tried to setloc function to set forcely the position of both of them, but it works only the objects stops. Still it arbitrary breaks out "while it travels". Maybe I missed somthing here, but I couldn't figure it out yet. Any thought?
  #6  
Old 09-24-2010
LINWEIXU
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Transporter do not travel offset. you can copy crane into Transporter from tree.
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